Jeremy Affeldt vs. Michael Wacha — Career Comparison

Jeremy Affeldt
Gen XArizonaThrows LeftBats LeftNorth AmericaSan Francisco GiantsNational LeagueRelief Pitcher
Michael Wacha
MillenialIowaThrows RightBats RightNorth AmericaKansas City RoyalsAmerican LeagueStarting PitcherAll-Star

Michael Wacha built a career as a starting pitcher and Jeremy Affeldt as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Michael Wacha led in walk avoidance (BB%+ 107 vs 87), strikeout rate (K%+ 94 vs 81), and skill-based run prevention (DICE+ 96 vs 89). Jeremy Affeldt held the edge in home run suppression (HR9+ 118 vs 94). Role difference aside, Michael Wacha holds a clear edge on every meaningful shared measure.

Pitching Stats for Jeremy Affeldt and Michael Wacha

Jeremy Affeldt
Careerverified
Per 9 Inningsverified
14
14
Michael Wacha
Career
Per 9 Innings
13
13
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
774
7.52
Michael Wacha
Career
Per 9 Innings
309
1.71
Jeremy Affeldt
Career
Per 9 Innings
42
0.41
Michael Wacha
Careerverified
Per 9 Inningsverified
288
1.59
Jeremy Affeldt
Career
Per 9 Innings
43
0.42
Michael Wacha
Careerverified
Per 9 Inningsverified
111
0.61
Jeremy Affeldt
Careerverified
Per 9 Innings
46
0.45
Michael Wacha
Career
Per 9 Inningsverified
75
0.41
Jeremy Affeldt
Career
Per 9 Innings
48.31
48.31
Michael Wacha
Careerverified
Per 9 Inningsverified
59.68
59.68
Jeremy Affeldt
Career
Per 9 Innings
5.43
5.43
Michael Wacha
Careerverified
Per 9 Inningsverified
93.2
93.2
Jeremy Affeldt
Career
Per 9 Innings
0
0
Michael Wacha
Careerverified
Per 9 Inningsverified
2
0.01
Jeremy Affeldt
Career
Per 9 Innings
0
0
Michael Wacha
Careerverified
Per 9 Inningsverified
2
0.01
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
28
0.27
Michael Wacha
Career
Per 9 Innings
0
0
Jeremy Affeldt
Careerverified
Per 9 Innings
408
3.97
Michael Wacha
Career
Per 9 Inningsverified
703
3.89
Jeremy Affeldt
Career
Per 9 Innings
3.97
3.97
Michael Wacha
Careerverified
Per 9 Inningsverified
3.89
3.89
Jeremy Affeldt
Career
Per 9 Innings
4.02
4.02
Michael Wacha
Careerverified
Per 9 Inningsverified
3.75
3.75
Jeremy Affeldt
Career
Per 9 Innings
3.93
3.93
Michael Wacha
Careerverified
Per 9 Inningsverified
3.81
3.81
Jeremy Affeldt
Career
Per 9 Innings
0.256
0.256
Michael Wacha
Careerverified
Per 9 Inningsverified
0.253
0.253
Jeremy Affeldt
Career
Per 9 Innings
2778
27
Michael Wacha
Careerverified
Per 9 Innings
4882
27
Jeremy Affeldt
Career
Per 9 Innings
926
9
Michael Wacha
Careerverified
Per 9 Innings
1627.1
9
Jeremy Affeldt
Careerverified
Per 9 Innings
904
8.79
Michael Wacha
Career
Per 9 Inningsverified
1571
8.69
Jeremy Affeldt
Career
Per 9 Innings
8.79
8.79
Michael Wacha
Careerverified
Per 9 Inningsverified
8.69
8.69
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
76
0.74
Michael Wacha
Career
Per 9 Innings
194
1.07
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
0.74
0.74
Michael Wacha
Career
Per 9 Innings
1.07
1.07
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
0.1
0.1
Michael Wacha
Career
Per 9 Innings
0.63
0.63
Jeremy Affeldt
Careerverified
Per 9 Innings
396
3.85
Michael Wacha
Career
Per 9 Inningsverified
503
2.78
Jeremy Affeldt
Career
Per 9 Innings
41
0.4
Michael Wacha
Careerverified
Per 9 Inningsverified
18
0.1
Jeremy Affeldt
Career
Per 9 Innings
3.85
3.85
Michael Wacha
Careerverified
Per 9 Inningsverified
2.78
2.78
Jeremy Affeldt
Career
Per 9 Innings
720
7
Michael Wacha
Careerverified
Per 9 Inningsverified
1416
7.83
Jeremy Affeldt
Career
Per 9 Innings
7
7
Michael Wacha
Careerverified
Per 9 Inningsverified
7.83
7.83
Jeremy Affeldt
Career
Per 9 Innings
0.93
0.93
Michael Wacha
Careerverified
Per 9 Inningsverified
4.58
4.58
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
1.205
1.205
Michael Wacha
Career
Per 9 Innings
1.179
1.179
Jeremy Affeldt
Career
Per 9 Innings
55
0.53
Michael Wacha
Careerverified
Per 9 Inningsverified
43
0.24
Jeremy Affeldt
Career
Per 9 Innings
42
0.41
Michael Wacha
Career
Per 9 Inningsverified
42
0.23
Jeremy Affeldt
Career
Per 9 Innings
9
0.09
Michael Wacha
Careerverified
Per 9 Inningsverified
3
0.02
Jeremy Affeldt
Career
Per 9 Inningsverified
4034
39.21
Michael Wacha
Careerverified
Per 9 Innings
6846
37.86
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
162
1.57
Michael Wacha
Career
Per 9 Innings
4
0.02
Jeremy Affeldt
Careerverified
Per 9 Innings
455
4.42
Michael Wacha
Career
Per 9 Inningsverified
746
4.13
Jeremy Affeldt
Career
Per 9 Innings
4.42
4.42
Michael Wacha
Careerverified
Per 9 Inningsverified
4.13
4.13
Jeremy Affeldt
Career
Per 9 Innings
42
0.41
Michael Wacha
Careerverified
Per 9 Inningsverified
37
0.2
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
25
0.24
Michael Wacha
Career
Per 9 Innings
45
0.25
Jeremy Affeldt
Career
Per 9 Inningsverified
102
0.99
Michael Wacha
Careerverified
Per 9 Innings
136
0.75
Jeremy Affeldt
Career
Per 9 Innings
1.404
1.404
Michael Wacha
Careerverified
Per 9 Inningsverified
1.275
1.275
Jeremy Affeldt
Career
Per 9 Innings
3529
34.3
Michael Wacha
Careerverified
Per 9 Inningsverified
6219
34.39
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
0.59
0.59
Michael Wacha
Career
Per 9 Innings
2.41
2.41
Jeremy Affeldt
Career
Per 9 Innings
0.303
0.303
Michael Wacha
Careerverified
Per 9 Inningsverified
0.299
0.299
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
39.21
39.21
Michael Wacha
Career
Per 9 Innings
37.86
37.86

Fielding Stats for Jeremy Affeldt and Michael Wacha

Jeremy Affeldt
Careerverified
Per 9 Inningsverified
14
14
Michael Wacha
Career
Per 9 Innings
13
13
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
774
7.52
Michael Wacha
Career
Per 9 Innings
309
1.71
Jeremy Affeldt
Career
Per 9 Innings
42
0.41
Michael Wacha
Careerverified
Per 9 Inningsverified
288
1.59
Jeremy Affeldt
Career
Per 9 Innings
2778
27
Michael Wacha
Careerverified
Per 9 Innings
4882
27
Jeremy Affeldt
Career
Per 9 Innings
926
9
Michael Wacha
Careerverified
Per 9 Innings
1627.1
9
Jeremy Affeldt
Career
Per 9 Innings
45
0.44
Michael Wacha
Careerverified
Per 9 Inningsverified
119
0.66
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
184
1.79
Michael Wacha
Career
Per 9 Innings
170
0.94
Jeremy Affeldt
Career
Per 9 Innings
13
0.13
Michael Wacha
Careerverified
Per 9 Inningsverified
7
0.04
Jeremy Affeldt
Career
Per 9 Inningsverified
242
2.35
Michael Wacha
Careerverified
Per 9 Innings
296
1.64
Jeremy Affeldt
Career
Per 9 Inningsverified
229
2.23
Michael Wacha
Careerverified
Per 9 Innings
289
1.6
Jeremy Affeldt
Career
Per 9 Innings
94.63
94.63
Michael Wacha
Careerverified
Per 9 Inningsverified
97.64
97.64
Jeremy Affeldt
Career
Per 9 Innings
0.296
0.296
Michael Wacha
Careerverified
Per 9 Inningsverified
0.935
0.935
Jeremy Affeldt
Career
Per 9 Innings
5.43
5.43
Michael Wacha
Careerverified
Per 9 Inningsverified
93.2
93.2
Jeremy Affeldt
Career
Per 9 Inningsverified
13
0.13
Michael Wacha
Careerverified
Per 9 Innings
14
0.08
Jeremy Affeldt
Career
Per 9 Innings
0
0
Michael Wacha
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Michael Wacha
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Michael Wacha
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Michael Wacha
Career
Per 9 Innings
0
0

Hitting Stats for Jeremy Affeldt and Michael Wacha

Jeremy Affeldt
Careerverified
Per 600 PAverified
14
14
Michael Wacha
Career
Per 600 PA
13
13
Jeremy Affeldt
Careerverified
Per 600 PAverified
774
24442.11
Michael Wacha
Career
Per 600 PA
310
641.38
Jeremy Affeldt
Career
Per 600 PA
19
600
Michael Wacha
Careerverified
Per 600 PA
290
600
Jeremy Affeldt
Career
Per 600 PAverified
17
536.84
Michael Wacha
Careerverified
Per 600 PA
251
519.31
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.177
0.177
Michael Wacha
Career
Per 600 PA
0.092
0.092
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.474
0.474
Michael Wacha
Career
Per 600 PA
0.319
0.319
Jeremy Affeldt
Career
Per 600 PAverified
3
94.74
Michael Wacha
Careerverified
Per 600 PA
23
47.59
Jeremy Affeldt
Career
Per 600 PAverified
3
94.74
Michael Wacha
Careerverified
Per 600 PA
21
43.45
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Careerverified
Per 600 PAverified
2
4.14
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Careerverified
Per 600 PAverified
2
4.14
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Careerverified
Per 600 PAverified
0.087
0.087
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PAverified
0.85
26.78
Michael Wacha
Careerverified
Per 600 PA
2.82
5.84
Jeremy Affeldt
Career
Per 600 PAverified
3
94.74
Michael Wacha
Careerverified
Per 600 PA
25
51.72
Jeremy Affeldt
Career
Per 600 PAverified
5
157.89
Michael Wacha
Careerverified
Per 600 PA
32
66.21
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.263
0.263
Michael Wacha
Career
Per 600 PA
0.123
0.123
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.177
0.177
Michael Wacha
Career
Per 600 PA
0.1
0.1
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.44
0.44
Michael Wacha
Career
Per 600 PA
0.222
0.222
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Careerverified
Per 600 PAverified
0.008
0.008
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.163
0.163
Michael Wacha
Career
Per 600 PA
0.08
0.08
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.357
0.357
Michael Wacha
Career
Per 600 PA
0.152
0.152
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.273
0.273
Michael Wacha
Career
Per 600 PA
0.181
0.181
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Careerverified
Per 600 PAverified
16
33.1
Jeremy Affeldt
Career
Per 600 PAverified
2
63.16
Michael Wacha
Careerverified
Per 600 PA
16
33.1
Jeremy Affeldt
Career
Per 600 PA
2
63.16
Michael Wacha
Careerverified
Per 600 PAverified
32
66.21
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.98
30.85
Michael Wacha
Career
Per 600 PA
-7.53
-15.58
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PAverified
2
63.16
Michael Wacha
Careerverified
Per 600 PA
9
18.62
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Career
Per 600 PA
0
0
Jeremy Affeldt
Careerverified
Per 600 PAverified
6
189.47
Michael Wacha
Career
Per 600 PA
125
258.62
Jeremy Affeldt
Careerverified
Per 600 PAverified
3.17
3.17
Michael Wacha
Career
Per 600 PA
2.32
2.32
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.33
0.33
Michael Wacha
Career
Per 600 PA
0.07
0.07
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Careerverified
Per 600 PAverified
29
60
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Careerverified
Per 600 PAverified
1
2.07
Jeremy Affeldt
Careerverified
Per 600 PAverified
0
0
Michael Wacha
Career
Per 600 PA
3
6.21
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Careerverified
Per 600 PAverified
1
2.07
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Michael Wacha
Careerverified
Per 600 PAverified
1
2.07
Jeremy Affeldt
Career
Per 600 PA
Michael Wacha
Careerverified
Per 600 PAverified
100
100